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1、PerformancePredictioninaGridEnvironmentRosaM.Badia2,FrancescEscale2,EdgarGabriel1;3,JuditGimenez2,RainerKeller1,JesusLabarta2,MatthiasS.M•uller11HighPerformanceComputingCenterStuttgart,Allmandring30,D-70550Stuttgart,Germany2EuropeanCenterforParallelis
2、mofBarcelona(CEPBA),TechnicalUniversityofCatalonia(UPC),CampusNord,ModulD6,JordiGirona,1-3,08034Barcelona,Spain3InnovativeComputingLaboratories,ComputerScienceDepartment,UniversityofTennessee,Knoxville,TN,USAfkeller,gabriel,muellerg@hlrs.defrosab,fesca
3、le,jesus,juditg@cepba.upc.esAbstract.KnowingtheperformanceofanapplicationinaGriden-vironmentisanimportantissueinapplicationdevelopmentandforschedulingdecisions.Inthispaperwedescribetheanalysisandop-timisationofacomputation-andcommunication-intensiveappl
4、icationfromthe eldofbioinformatics,whichwasdemonstratedattheHPC-ChallengeofSupercomputing2002atBaltimore.ThisapplicationhasbeenadaptedtoberunonanheterogeneouscomputationalGridbymeansofPACX-MPI.Theanalysisandoptimisationisbasedontracedriventools,mainlyDi
5、memasandVampir.AllthesemethodologiesandtoolsarebeingextendedintheframeoftheDAMIENISTproject.1IntroductionTheecientexecutionofacomplexscienti capplicationinadistributed,het-erogeneousenvironmentwhereresourcesaresharedwithothersisachallengeforthedevelope
6、randuser.TheDAMIEN[4,7]project(DistributedApplicationsandMiddlewareforIndustrialUseofEuropeanNetworks)aimstoproduceatool-chaintosupportdevelopersandscienti cusersofGrid-applications.Toachievethisgoal,newtoolsarecreatedaswellasexistingandwidelyacceptedto
7、olsareextendedtoworkinadistributedandheterogeneousGrid-environment.FortheHPC-ChallengeatSupercomputing2002inBaltimore,wedemon-stratedacomputationallyandcommunication-intensiveapplicationoftheareaofbioinformatics,RNAfold,runningonacomputationalGrid,succe
8、ssfullyem-ployingtheDAMIENtool-chain.ThiscomputationalGridconsistedof22high-performancecomputersinstalledatthesitesofourpartners,constitutingadis-tributed,heterogeneousMetacomputer.InthispaperwefocusontwooftheDAMIEN-tools,namelyP
